[Insight-users] ITK and C++\CLI

[Anthony Baker]

Hi Dan,

Thank you for your response.  I had looked at the second option of the old
thread but it is a little out dated and I was unable to make it work.  One
issue is that there are a ton of projects and the configuration is off on
all of them.  That is actually why I was playing with cmake (both settings
and code) to see if I could get it to configure the projects correctly for
my situation.  I was able to do most of the conversion with the exception
of c files being forced to CompileAsC in the settings make
them incompatible with /clr.

I will probably go down the road of the first option although the project
does not have the full set of functions that I would like to use.

Any further suggestions would be greatly appreciated or even an example in
http://www.itk.org/Wiki/ITK/Examples would be great.

Thank you again,

Anthony


On Wed, Feb 20, 2013 at 1:26 AM, Dan Mueller <dan.muel at gmail.com> wrote:

> Hi Anthony,
>
> > So, does a simple solution exist?
>
> There are a number of options available to you.
>
> 1. Use the SimpleITK C# (.NET) wrappers:
> http://sourceforge.net/projects/simpleitk/files/SimpleITK/
>
> Although the wrappers are called C#, it is a .NET assembly which can
> be used directly from C++\CLI.
>
> An example would be:
> // =========================
> #include "stdafx.h"
> #using <SimpleITKCSharpManaged.dll> // Location specified using /AI switch
> using namespace System;
>
> int main(array<System::String ^> ^args)
> {
>     auto image = itk::simple::SimpleITK::ReadImage("C:/Temp/cthead1.png");
>     Console::WriteLine(image);
>     return 0;
> }
> // =========================
>
> 2. It is possible to compile to ITK with the /clr switch. There are
> some instructions on a really old thread here:
> http://public.kitware.com/pipermail/insight-users/2006-October/019648.html
>
> The discontinued ManagedITK provided a .NET wrapper around ITK using
> C++\CLI. The source code may give you some inspiration for correctly
> setting up your Visual Studio project:
> http://code.google.com/p/manageditk/source/browse/trunk
>
> Essentially, ManagedITK used CMake to generate a normal C++ vcproj
> file, and then ran the "ConfigureProject" utility to automagically
> hack the vcproj file to compile ITK with /clr:
>
> http://code.google.com/p/manageditk/source/browse/trunk#trunk%2FUtilities%2FConfigureProject
> http://manageditk.googlecode.com/svn/trunk/FinishCMake.bat.in
>
> 3. You could use P/Invoke to access a pure unmanaged C++ DLL which
> encapsulates all your ITK functionality from the managed C++/CLI
> environment. A step-by-step guide can be found here:
> http://www.itk.org/Wiki/ITK/Using_ITK_from_.NET
>
> I hope one of these options suits your purposes.
>
> Cheers, Dan
>
> On 20 February 2013 15:17, Anthony Baker <anthony.ww.baker at gmail.com>
> wrote:
> > I would like to use ITK on an existing project and am interested in the
> > simplest path to success.  I am using c++\cli in visual studio.  I have
> > incorporated OpenCV and GDAL into the project and have many classes and
> win
> > form windows incorporated.
> >
> > I thought (naively) that I could treat ITK in a similar way to OpenCV.  I
> > compiled openCV into a set of dlls.  I then compiled my project with the
> > includes and linked against the .libs and finally included the opencv
> dlls
> > with my final deployment exe.
> >
> > I tried this method with ITK but it didn't work.  I was able to compile
> and
> > link by added the right headers and .lib files but when I ran the
> project it
> > immediately failed with some sort of load errors.  To show how simple I
> > started, I only included a single header file to my existing project.
> >
> > I thought maybe if I compiled the ITK project as CLR things would be
> better.
> > The upshot of that is that I was never able to even compile in that mode
> due
> > to the .c files not compiling as c++ (I tried with every effort from the
> > cmake side to make that happen including trying to change the cmake code
> -
> > ha).
> >
> > So, does a simple solution exist?  Can someone provide an example that
> > works?
> >
> > Please help with my, now, obsession to make this work!
> >
> > Many Thanks,
> >
> > Anthony
> >
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